This The Walking Dead photo contains
fedora, felt hat, homburg, stetson, trilby, boater, leghorn, panama, panama hat, sailor, skimmer, and straw hat.
There might also be
dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, porkpie, porkpie hat, and campaign hat.
In season 5, The Walking Dead made a bold commitment, and it wasn't until the conclusion of The Ones Who Live that Rick Grimes ultimately fulfilled it.